PHOENIX — The U.S. Justice Department sued Sheriff Joe Arpaio on Thursday, saying the Arizona lawman refused for more than a year to turn over records in an investigation into allegations his department discriminates against Hispanics. The lawsuit calls Arpaio and his office's defiance "unprecedented," and said the federal government has been trying since March 2009 to get officials to comply with its probe of alleged discrimination, unconstitutional searches and seizures, and having English-only policies in his jails that discriminate against people with limited English skills. Arpaio had been given until Aug. 17 to hand over documents it first asked...